#hec_acknowledgment_timeout_in_seconds ⇒ Integer

The amount of time that Kinesis Firehose waits to receive an
acknowledgment from Splunk after it sends it data. At the end of the
timeout period Kinesis Firehose either tries to send the data again
or considers it an error, based on your retry settings.

#s3_backup_mode ⇒ String

Defines how documents should be delivered to Amazon S3. When set to
FailedDocumentsOnly, Kinesis Firehose writes any data that could
not be indexed to the configured Amazon S3 destination. When set to
AllDocuments, Kinesis Firehose delivers all incoming records to
Amazon S3, and also writes failed documents to Amazon S3. Default
value is FailedDocumentsOnly.